IMC Chicago’s Ambarella AMBA Stock Holding History

IMC Chicago’s Portfolio AMBA Stock Details AMBA Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$5.17M	Buy	60,277 +34,669	+135%	+$2.39M	﹤0.01%	2063
2026 Q1	$1.32M	Sell	25,608 -18,749	-42%	-$1.17M	﹤0.01%	2991
2025 Q4	$3.14M	Buy	44,357 +17,129	+63%	+$1.38M	﹤0.01%	2071
2025 Q3	$2.25M	Buy	+27,228	New	+$1.98M	﹤0.01%	2137
2025 Q2	–	Sell	-10,046	Closed	-$533K	–	3276
2025 Q1	$506K	Buy	+10,046	New	+$688K	﹤0.01%	2644
2024 Q3	–	Sell	-15,192	Closed	-$808K	–	2758
2024 Q2	$820K	Buy	+15,192	New	+$755K	﹤0.01%	2067
2023 Q4	–	Sell	-13,438	Closed	-$734K	–	1801
2023 Q3	$713K	Buy	+13,438	New	+$944K	﹤0.01%	1333
2021 Q1	–	Sell	-18,393	Closed	-$2M	–	1033
2020 Q4	$1.69M	Buy	+18,393	New	+$1.29M	﹤0.01%	763
2019 Q1	–	Sell	-6,318	Closed	-$250K	–	629
2018 Q4	$221K	Buy	+6,318	New	+$224K	﹤0.01%	813

Other funds holding AMBA

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $128B AUM 35.83% 1-Year Est. Return

Legal & General Group London, United Kingdom $480B AUM 42.84% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

MMH

Menora Mivtachim Holdings Ramat Gan, Israel $25.6B AUM 50.04% 1-Year Est. Return

SIMG

Stephens Investment Management Group Houston, Texas $9.33B AUM 56.1% 1-Year Est. Return

IMC Chicago's AMBA Position: Q2 2026 in Review

IMC Chicago increased its Ambarella (AMBA) stake by 135% in Q2 2026, buying an estimated $2.39M and bringing the position to 60,277 shares worth $5.17M. The position accounts for ﹤0.01% of the portfolio, ranked #2063.

IMC Chicago first reported a position in AMBA in Q4 2018 and has held it in 9 quarters since. 342 funds tracked by Wall St. Rank hold AMBA as of Q2 2026.

IMC Chicago held 60,277 shares of Ambarella worth $5.17M as of Q2 2026.
IMC Chicago bought 34,669 Ambarella shares in Q2 2026, an estimated $2.39M.
Ambarella made up ﹤0.01% of IMC Chicago's portfolio in Q2 2026, its #2063 holding.
IMC Chicago first reported a position in Ambarella in Q4 2018 and has held it in 9 quarters since.
342 funds tracked by Wall St. Rank held Ambarella as of Q2 2026.

Based on IMC Chicago's 13F filing for Q2 2026, filed 6 Aug 2026.